# make_n_hole_flange_rsolid ## API Definition ```python def make_n_hole_flange_rsolid(flange_outer_diameter = 120.0, flange_inner_diameter = 60.0, flange_thickness = 15.0, boss_outer_diameter = 80.0, boss_height = 5.0, hole_diameter = 8.0, hole_circle_diameter = 100.0, hole_count = 8, chamfer_size = 1.0) -> Solid ``` *Source: evolve.py* ## Import Surface - top-level: `from simplecadapi import make_n_hole_flange_rsolid` ## Description Create an n-hole flange with a raised boss ring and optional chamfers. The center of the bottom face is placed at the origin.